E-Z Pro Crown King Molding Jig with Protractor can produce perfectly mitered interior and exterior crown molding joints. Eliminates difficult angle calculations, coping of joints or compound-angle cutting. 45 Deg. spring angle crown molding jig with adapter for 52 Deg. and 38 Deg. angles. Eliminates difficult angle calculations, coping of joints or compound-angle cutting. Includes adjustable Angle Finder that easily shows the exact angle of inside and outside corner. Instructions included.